Finding the Fourth Proportional to 163.99, 246.08 and 91.99
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Solution
The fourth proportional to 163.99, 246.08 and 91.99 is: 138.04
Step by Step Solution
- Step 1: Write the proportion equation
163.99 : 246.08 = 91.99 : x - Step 2: Convert to fraction form
163.99/246.08 = 91.99/x - Step 3: Cross multiply
163.99x = 246.08 × 91.99 - Step 4: Simplify right side
163.99x = 22,636.90 - Step 5: Solve for x
x = 22,636.90/163.99 - Step 6: Final answer
x = 138.04
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.